On Friday 03 Feb 2017 19:40:53 Mick wrote: > Peter, I recall a similar problem shown in the logs of an i7. and all I > did was to enable IOMMU in the kernel, just as a message in the logs > recommended. From memory I built in the kernel something like > CONFIG_INTEL_IOMMU_DEFAULT_ON as well as some Intel related IOMMU > options. I did not pass any options on the kernel line at boot time. The > error messages stopped as a result.
$ grep -i iommu /usr/src/linux/.config # CONFIG_GART_IOMMU is not set CONFIG_CALGARY_IOMMU=y CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y CONFIG_IOMMU_HELPER=y CONFIG_IOMMU_API=y CONFIG_IOMMU_SUPPORT=y CONFIG_IOMMU_IOVA=y # CONFIG_AMD_IOMMU is not set CONFIG_INTEL_IOMMU=y CONFIG_INTEL_IOMMU_SVM=y CONFIG_INTEL_IOMMU_DEFAULT_ON=y CONFIG_INTEL_IOMMU_FLOPPY_WA=y # CONFIG_IOMMU_STRESS is not set $ That looks all right to me, no? -- Regards Peter
